Coal resource position in IndiaCoal resource position in India

Geological Survey of India

Early Tertiary (c. 60Ma) near-shore peri-cratonic basins and shelves.

Coal occurs in two stratigraphic horizons

Permian sediments (c. 290Ma)mostly deposited in Intracratonic Gondwana basins.

%

%

%

%

%

%

m m m

m

m

mmmm

m

m

m

Lucknow

Patna

Calcutta

Bhubaneswar

Hyderabad

Bhopal

80° 84° 88°

2

1

84°

16°

20°

24°

69

55

71

51

66

68

76

3541

64

56 57

656775

27

37

58

77

50 4548

73

42 38

74

32

46

47

70

72

54

52

3430

78

3653

6263

61

59

60

4944 43

39

40

3331 28

29

22

26

80°

22. Singrimari26. Darjeeling27. Rajmahal28. Birbhum29. Tangsuli30. Kundait Kariah

33,34. Giridih

31. Saharjuri32. Jainti

36. Barjora

38. East Bokaro

40. Ramgarh

42. South Karanpura43. Chope44. Itkhori45. Auranga46. Hutar

48,49,50. Tatapani-Ramkola47. Daltonganj

35. Raniganj

39. West Bokaro

41. North Karanpura

37. Jharia

88°

51. Singrauli52. Korar53. Umaria54. Johila55. Sihagpur56. Sonhat-Jhilimili57. Bisrampur58. Lakhanpur59. Panchbahini60. Dhamamunda61. Koreagarh62. Chirimiri63. Sendurgarh64. Hasdo-Arand65. Korba66. Mand-Raigarh67. Ib River68. Talcher69. Godavari70. Yellendu71. Wardha72. Bander73. Umrer74. Kamptee75. Pench-Kanhan76. Pathakhera77. Tawa78. Mohpani

500 0 500 Kilometerskm

%%

%

%

%

%

%%

%

mm

m

m

m m m

m

m

Shillong

23

1

234

2425

56

87

910

22 20 1119 14 12151321

18 16

17

1. Miao-bum 2. Namchik-Namphuk 3. Makum 4. Dilli-Jeypore 5. Tiju 6. Borjan 7. Tuen Sang 8. Jhanzi-Disai 9. Koilajan10. Diphu11. Bapung12. Pynursla

Tertiary Coalfields

13. Cherrapunji14. Laitryngew15. Mawsynram16. Mawlong Shella17. Langrin18. Balphakram-Pendenggru19. West Darangiri20. Rongrenggri21. Siju

22. Singrimari23. Abor Hills24. Daphla Hills25. Aka Hills

Gondwana Coalfields

92°

28°

96°

28°

24°

92° 88° 84°

24°

GangtokItanagar

Dispur

Kohima

Imphal

AizawlAgartala

Shillong

Calcutta

100 0 100 km

Tertiary coalfields

Lower Gondwana coalfields

Koel-Damodar valley basins

Son - Narmada valley basins

Pranhita - Godavari valley basins

Satpura basins

Rajmahal basins

Gondwana basinsof

Peninsular India

Gondwana basins of Peninsular India disposed in four linear belts following several prominent lineaments in the Precambrian craton. In the extra-Peninsular region (Darjeeling and ArunachalPradesh) Lower Gondwanasediments occur as thrust sheets overriding Siwalik sediments.

Gondwana coal

Occurrence Eastern and central part of Peninsular India

RankRank Bituminous to subBituminous to sub--bituminousbituminousModerate to High in Ash and Low in Moderate to High in Ash and Low in SulphurSulphurCharacterCharacter

Tertiary coal

Occurrence

RankRank Meta and Meta and OrtholignitousOrtholignitousHigh in High in SulphurSulphur ; Strongly caking to non; Strongly caking to non--cakingcakingCharacterCharacter

Northeastern India

Lignite

Occurrence

High in Moisture and Volatile MatterHigh in Moisture and Volatile MatterCharacterCharacter

Western and southern India

Coal bearing strataCoal bearing strataCoal bearing strata

KARHARBARI FORMATIONKARHARBARI FORMATION (Early Permian)(Early Permian)––RESTRICTED TO FEW COALFIELDS OF EASTERN INDIARESTRICTED TO FEW COALFIELDS OF EASTERN INDIA

BARAKAR BARAKAR FORMATION FORMATION (Early Permian)(Early Permian)––

MAJOR STOREHOUSE OF COAL IN ALL THE BASINSMAJOR STOREHOUSE OF COAL IN ALL THE BASINS

RANIGANJ/KAMTHI FORMATION RANIGANJ/KAMTHI FORMATION (Late Permian)(Late Permian)––

ECONOMICALLY EXPLOITABLE IN RANIGANJ, JHARIA ECONOMICALLY EXPLOITABLE IN RANIGANJ, JHARIA EASTERN PART OF SINGRAULI BASIN AND EASTERN PART OF SINGRAULI BASIN AND GODAVARIGODAVARI

GONDWANA COALGONDWANA COALGONDWANA COAL

Oligocene sediments –Tikak Parbat Formation in Upper Assam,

Nagaland and Arunachal Pradesh

Eocene sediments –Tura Sandstone, Lakadong Sandstone in

Garo, Khasi and Jaintia hills of Meghalaya

Sylhet Limestone in Mikir hills of Assam

Lower Subathu Group in Jammu

TERTIARY COALTERTIARY COALTERTIARY COAL

Coal bearing strataCoal bearing strataCoal bearing strata

Types of Indian coalTypes of Indian coal

Tertiary coalfields of Northeastern Region

CokingCokingPrimePrime – Low volatile bituminous coals , Coke type G7 or better, Ro(mean) = 1.2. Upper Barakar seams in Jharia coalfield.

MediumMedium - Low to high volatile bituminous coals, Coke type F-G6, Ro(mean) = 1.1-1.4. Lower Barakar & Raniganj seams in Jharia, Barakar seams in Raniganj, Bokaro, parts of Ramgarh, Karanpura, Sohagpur and Pench- Kanhan coalfields

SemiSemi – High volatile, Coke type D-F, Ro(mean) = 0.7. Lower Raniganj seams in Raniganj, Barakar seams in parts of Ramgarh and Sonhat coalfields

NonNon--cokingcokingSuperiorSuperior – High volatile bituminous B-C coals.

Mainly in Raniganj seams of Raniganj coalfield

InferiorInferior – High volatile sub-bituminous coals. All coalfields

High High SulphurSulphur

Comparatively cleaner than Barakar coals

Low moisture, low ash and low to medium volatile

Generally non-coking except in parts of Giridih and North Karanpura

General characters of Karharbari coal

Moisture < 2% to 6%

Volatile - <18 to 35%

Carbon - 85 to 90% (on dmf basis)

Ash - 15 to 30% (excluding dirt bands)

Coking properties (eastern CFs of Damodar Valley basins)

Coke type - D to G6 or better

General characters of Barakar coal

High moisture

High Volatile

Coal seams thinner than those of Barakar

Best developed in Raniganj coalfield

General characters of Raniganj coal

• PROVED (>80%)• PROVED (>80%) THROUGH DETAILED EXPLORATION

RESOURCE CLASSIFIED ASRESOURCE CLASSIFIED AS(Based on degree of confidence)(Based on degree of confidence)

• INDICATED (>50 to 80%)• INDICATED (>50 to 80%)THROUGH REGIONAL EXPLORATION

• INFERRED (<50 %)• INFERRED (<50 %)

DEPTH :DEPTH DEPTH :: 0-300 m, 300-600 m and 600-1200 m

GRADE :GRADE GRADE ::

Medium Coking : SG-I, SG-II, W-I, W-II, W-III, W-IVMedium Coking : SG-I, SG-II, W-I, W-II, W-III, W-IV

Semi Coking : Grade-I and grade-IISemi Coking : Grade-I and grade-II

Non Coking : Superior (Gr.A – C) and Power grade (Gr.D-G)Non Coking : Superior (Gr.A – C) and Power grade (Gr.D-G)

CATEGORY :CATEGORYCATEGORY ::

Prevalent Quality classification system

(Department of Coal, Ministry of Energy, 1979)NonNon--coking coal from Gondwana coalfieldscoking coal from Gondwana coalfields

Grade Useful Heat Value (k.cal/kg) Sp.GrAA > 6200> 6200 1.421.42BB 5600 5600 -- 62006200 1.451.45CC 4940 4940 -- 56005600 1.501.50DD 4200 4200 -- 49404940 1.551.55EE 3360 3360 -- 42004200 1.601.60FF 2400 2400 -- 33603360 1.681.68GG 1300 1300 -- 24002400 1.761.76

Useful Heat Value = 8900 Useful Heat Value = 8900 -- 138(A+M)138(A+M)(A= Ash%, M = Moisture% at 60% R.H & 400C Temperature)

Prevalent classification Prevalent classification (contd.)(contd.)

Coking coalCoking coalGrade Ash Sp.GrSteel Grade Steel Grade --II < 15%< 15% 1.421.42Steel Grade Steel Grade --IIII 15% 15% -- 18%18% 1.441.44WasheryWashery Grade Grade -- II 18% 18% -- 21% 21% 1.461.46WasheryWashery Grade Grade -- II II 21% 21% -- 24% 24% 1.501.50WasheryWashery Grade Grade -- III III 24% 24% -- 28% 28% 1.531.53WasheryWashery Grade Grade -- IV IV 28% 28% -- 35% 35% 1.581.58

SemiSemi--coking & weakly coking coalcoking & weakly coking coalGrade Ash + Moisture Sp.Gr

SemiSemi--Coking Coking --II < 19%< 19% 1.441.44

SemiSemi--Coking Coking --II II 19% 19% -- 24%24% 1.461.46

DEPTH-WISE AND CATEGORY-WISE RESOURCE OF INDIAN COAL( As on 01-01-2006)

73.7566.63

14.38 13.71

0.5006.74

41.41

17.52

1.6711.23

5.76

0

10

20

30

40

50

60

70

80

0-300m 0-600m 300m-600m 600m-1200m

Proved

Indicated

Inferred

(For Jharia Coalfield )

(95.87)(95.87)(95.87)

(119.77)(119.77)(119.77)

(36.66)(36.66)(36.66)

TOTALTOTALTOTAL

(154.8)(154.8)

Total Resource : 253.3 b.t. Total Resource : 253.3 b.t.

0 2000 4000 6000 8000 10000 12000

(in million tonne)

Sonhat

Pench Kanhan

South Karanpura

Ramgarh

Raniganj

Sohagpur

North Karanpura

West Bokaro

East Bokaro

Jharia

COALFIELD-WISE DISTRIBUTION OF COKING COAL

(As on 01.01.2006)

0 5000 10000 15000 20000 25000 30000 35000 40000

(in million tonne)

OthersBisrampur

Tatapani-RamkolaPench-Kanhan

KampteeSohagpurAuranga

Hasdo-ArandS. Karanpura

WardhaJhariaKorba

N. KaranpuraSingrauli

RajmahalGodavari

Mand-RaigarhIb River

RaniganjTalchir

COALFIELD-WISE DISTRIBUTION OF NON-COKING COAL

(As on 01.01.2006)

Coal Resource baseCoal Resource base253 b. t.253 b. t.

(up to 1200m depth)(up to 1200m depth)

32.09

220.26

0.940

50

100

150

200

250

Coking Non-Coking High sulphur

(87%)

(12.7%)32.04

153.03

35.19

020406080

100120140160

Superior Power grade Ungraded

Quality-wise break-up of Non-coking coal

Quality-wise break-up of Non-coking coal

Power grade coal: 153 b. t. (60%)153 b. t. (60%)

(up to 1200m depth)(up to 1200m depth)51%42%

7%

36%48%

16%

49%12%

39%

Proved Indicated Inferred95.87 b.t 119.77 b.t 37.67 b.t

ProvedIndicatedInferred

68

11

3 2

4

33

60

7

5

t p

9

7

19 1

%

%%

%

%%

%

%%

%

%

%

%

%%

%

%

%

%

%

%

%

%

%

%% %

%

%

68° 72° 76° 80° 84° 88° 92° 96°

36°

32°

28°

24°

20°

16°

12°

8°

92°88°84°80°76°72°

1

2

4

5

0

28

1

11

4

10

221

212

226

7 8

23 63 35 0

339 32

33 3534

36

3739

4938

41444340

42

45 46

4749

4850

51

5352

54

55

696768

5657

66

656463

626160

59

58

15

79

23

2425

26

22

273247 31

2851

3334

3044 4329

41 353748

4539 3849 46

40425052

553653

565457

62 8

659

647

6657

7

6

78

7

7

1

69

0

.

9

12

3

4

56

0

20

111 14

2112 1 11

# 0

9

12

3

4

56

8 7

0

24 2151

11 161

Sr nagar

SmlaChand garh

New Delhi

Jaipur Lucknow

Patna

Gangtok Itanagar

DispurKohima

ImphalShillong

AizawlAgartala

Kolkata

Bhubaneswar

Chennai

Pondicherry

Tiruvanantapuram

Bangalore

Hyderabad

Mumbai

Panaji

Gandhinagar Bhopal

8°

12°

16°

20°

24°

28°

32°

36°

Ranchi

Dehradun

Raipur

COALFIELDS AND LIGNITE OCCURRENCESOF

I N D I A350 0 350 km

52%52%48%48%

26%26%

74%74%

96%96%

4%4%Rajmahal

Raniganj

S.Karanpura

51%51%49%49%

Pench-Kanhan

62%62%38%38%

Sohagpur

24%24%76%76%

Singrauli

31%31%69%69%

Tatapani

8%8%

92%92%

Mand-Raigarh

19%19%

81%81%

Hasdo-Arand

3%

97%97%

Ib-River

95%95%

5%5%

Talcher

25%25%75%75%

Godavari

8%8%

92%92%

Korba

10%

90%90%

Wardha

31%31%69%69%

Kamptee

Superior Non-Coking

Inferior Non-Coking

QUALITYQUALITY--WISE VARIATION OF WISE VARIATION OF NONNON--COKING COAL OVER COKING COAL OVER

MAJOR GONDWANA MAJOR GONDWANA COALFIELDS OF INDIACOALFIELDS OF INDIA

Depth-wise distribution

Total resource: 32b.t.

Superior grade coal(‘A’ – ‘C’)

UHV:4940K - >6200Cal/Kg

Superior grade coal(‘A’ – ‘C’)

UHV:4940K - >6200Cal/Kg

0.22.2

9.8

19.7

02468

101214161820

00--300300

300300--600600

600600--12001200

0 0 -- 600600

(for Jharia)

Depth-wise distribution

Total resource:153b.t.

Power grade coal(‘D’ – ‘G’)

UHV:1300-4940 KCal/Kg

Power grade coal(‘D’ – ‘G’)

UHV:1300-4940 KCal/Kg

5.9 5.13

32.5

109.48

0

20

40

60

80

100

120

00--300300

300300--600600

600600--12001200

0 0 -- 600600

(for Jharia)

%

%

%

m

m

m

m m

m

m

m

m

mm

m

m

Srinagar

Jaipur

Gandhinagar

72° 76° 80°

36°

36°

32°

32°

28°

28°

24°

24°

80° 76°

1

52 54

3

8 5

53

97

51

1719

6

30

48

11

45

27

49

15

46

28

16

1012

1314

2324 26

29

2221 20

31 32333534

36

404138

39 37

4443

5047

24

1.Nichahom Baramula 2.Nagbal3,4.Firozpur Shaliganga 5.Khari 6.Gangashahr 7.Sarup Desar 8.Mudh 9.9Kolayat10.Gura

11.Chaneri

12.Bithnok

13.Mandal Charnan14.Raneri15.Hira Ki Dhani

16.Lalamdesar17.Bar Singhsar

18.Palana

19.Kasnau20.Kuchera21.Nimbri22.Marwar Chapri23.Butati24.Merta Road25.Hansiyas26.Gangarda27.Lamba Jatan28.Mokala29.Indawar30.Nagarda31.Nimla32.Bharka33.Botiya

34.Hamir ji ki Dhani35.kapurdi

36.Jalipa37.Lakhpat

38.Dhedadi39.Pranpur

40.Kaiyari

41.Panandhro

42.Akhrimota

43.Fulradam44.Umarsar

45.Mudia46.Mata No Madh47.Jularai

48.Waghapadar49.Lefri

50.Hamla51.Nanaratadia

52.Lakhanka Kharsalia53.Bhuri

54.Shah Vastan

Lignite Occurrences

42

Coalfields79. Kalakot-Metka

79

500 0 500 km

Lignite Occurrences

g

g

g

g

g

g

m m

m

m

mmm

m

m

m

55

5657

6665

59

646362

6160

696768

58

76° 80°8°

12°

16°

8°

12°

16°

76° 80°

55. Ratnagiri56. Nileswaram57. Madayi58. Warkala59. Mannargudi60. Jayamkonda Cholapuram61. Lalpettai62. Srimushnam63. Neyveli South64. Bhubangiri65. Neyveli East66. Bahur67, 68, 69. Eluru-Rajamundri

Lignite Occurrences

HYDERABAD

PANAJI

BANGALORE

CHENNAI

PONDICHERY

TIRUVANTAPURAM

Workable deposits

Total Resource : 38.3 b.t

0

5

10

15

20

25

30

35

Tamil N

adu

RAJASTHAN

GUJARAT

Pondich

erry

J&K

KERALA

(in b

illion

tonn

e)

CRITICAL ANALYSIS OF CRITICAL ANALYSIS OF RESOURCE SCENARIORESOURCE SCENARIO

visvis--àà--visvis

UNDERGROUND COAL UNDERGROUND COAL GASIFICATIONGASIFICATION

UNDERGROUND COAL GASIFICATIONUNDERGROUND COAL GASIFICATION

CONCEPTCONCEPT ~ CONVERTING IN~ CONVERTING IN--SITU COALSITU COAL SEAMS INTO A SEAMS INTO A COMBUSTIBLE CLEAN GASCOMBUSTIBLE CLEAN GAS

UNIQUE FEATUREUNIQUE FEATURE ~ EXPLOITATION OF UNMINEABLE ~ EXPLOITATION OF UNMINEABLE DEEP SEATED COAL SEAMS DEEP SEATED COAL SEAMS

CONSTRAINTCONSTRAINT ~ DEVELOPMENT OF RELIABLE WORKING ~ DEVELOPMENT OF RELIABLE WORKING PROGRAMME WITH ECONOMIC VIABILITY PROGRAMME WITH ECONOMIC VIABILITY

SUBSTANTIAL RESOURCE NOT SUBSTANTIAL RESOURCE NOT MINEABLE ~MINEABLE ~

SURFACE CONSTRAINTS, SAFETY SURFACE CONSTRAINTS, SAFETY AND TECHNOLOGICAL REASONSAND TECHNOLOGICAL REASONS

21%21% OF NET INOF NET IN--SITU PROVED SITU PROVED RESOURCE EXTRACTABLE WITHIN RESOURCE EXTRACTABLE WITHIN PRESENT MINING TECHNOLOGY PRESENT MINING TECHNOLOGY (SOURCE CMPDI)(SOURCE CMPDI)

Distribution of non-coking coal in major Coalfield within 0-300m

(in b

illio

n to

nne)

30.3

14.3214.3 12.810.52 9 8.43 7.85 7.7

4.9 3.8 3.41.8 1.6 1.2 1.1 1

0

5

10

15

20

25

30

35

Talcher

Mand-ra

igarhIb-R

iver

Ranigan

jRajm

ahal

N. kar

anpura

Singrauli

Godav

ari

Korba

Hasdo

Wardha

S. Karan

pura

Kamptee

Auranga

Pench

-Kan

han

Tatapa

niSonhat

Distribution of Power grade coal in major Coalfield within 0-300m

(in b

illio

n to

nne)

24.5

11.9 11.89.5 8.1 6.9 6.6 5.8 5.6

3.3 3.2 2.3 1.6 1.2 0.9 0.7 0.70

5

10

15

2 0

2 5

3 0

Talcher

Ib-Rive

r

Mand-ra

igarhRajm

ahal

N. kara

npuraKorb

aRanigan

jGodav

ariSingra

uliHasd

oWard

ha

S. Karan

puraAura

ngaKamptee

Sonhat

Pench

-Kan

hanTata

pani

Distribution of Superior grade coal in major Coalfield within 0-300m

(in b

illio

n to

nne)

5.9

1.9 1.6 1.41 0.8 0.8 0.8 0.6 0.6 0.6 0.5 0.4 0.3 0.3 0.2 0.2

0

1

2

3

4

5

6

7

Raniganj

Godavari

Singrauli

Sohagpur

Talcher

Hasdo

S. Karan

puraBisr

ampur

Mand-ra

igarhKorb

a

Pench

-Kan

hanKampteeRajm

ahal

Wardha

Tatapan

iIb-R

iver

N. kara

npura

Distribution of non-coking coal in major Coalfield within 300-600m

(in b

illio

n to

nne)

8.1 8.17.3

6.3

4.7 4.43.7

3.32.8

2.31.6 1.6 1.3

0.9 0.8 0.6 0.5

0

1

2

3

4

5

6

7

8

9

Talcher

Ib-Rive

rRan

iganj

Godav

ari

Mand-ra

igarhSingrau

liRajm

ahal

Birbhum

N. kar

anpuraKorb

aS. K

aranpu

raward

haAuran

gaKam

pteeSonhatTata

pani

Pench

-Kan

han

0

1

2

3

4

5

6

Talcher

Godavari

Mand Ib

Rajmah

alSingrau

liRan

iganj

N.Kara

npura

BirbhumKor

baAur

anga

S.Kara

npura

Sonhat

Coalfield-wise distribution of Power grade coal within 300-600m depth

0

0.5

1

1.5

2

2.5

3

3.5

Raniga

nj

Godavari

Singrauli

Birbhum

Mand

Talcher

Coalfield-wise distribution of Superior grade coal within 300-600m depth

Distribution of non-coking coal in major Coalfield

within 600-1200m(in

bill

ion

tonn

e)

0

0.5

1

1.5

2

2.5

3

3.5

Raniganj Godavari Jharia Talcher Birbhum Sonhat

Distribution of Superior grade coal in major Coalfield

within 600-1200m(in

bill

ion

tonn

e)

0

0.2

0.4

0.6

0.8

1

1.2

Raniganj Godavari Birbhum Sonhat Talcher

Distribution of power grade coal in major Coalfield

within 600-1200m(in

bill

ion

tonn

e)

00.20.40.60.8

11.21.41.61.8

Jharia Raniganj Talcher Godavari Birbhum

Out of total lignite resource (38.27 billion tonne)9.4 billion tonne are of quarriable prospect

0

5

10

15

20

25

30

Prov

ed

To b

e pr

oved

> 15

0m d

epth

4.18 5.22 28.87

Open cast prospect

25%

75%

Open cast prospect

Open cast prospect

UCG/CBM prospect

UCG/CBM prospect

38.27 billion 38.27 billion tonnetonne

Characterisation of resource on chemical and petrographic parameters at exploration stage

EMERGING POSSIBILITIES OF EXPLOITING SOLID FOSSIL FUEL THROUGH UCG

requires

forOptimal utilisation of resource both at short and long term perspective

DESIRABLE COAL CHARACTERSDESIRABLE COAL CHARACTERS

•• COAL WITH HIGHER REACTIVITY ~ COAL WITH COAL WITH HIGHER REACTIVITY ~ COAL WITH SIGNIFICANT AMOUT OF EXINITE/LIPTINITESIGNIFICANT AMOUT OF EXINITE/LIPTINITE

•• COAL WITH HIGH MOISTURE CONTENT ~ COAL WITH HIGH MOISTURE CONTENT ~ REACTION REACTION REQUIRES WATER REQUIRES WATER

• COAL TYPE COAL TYPE -- LOW RANK COAL EASILY GASIFIEDLOW RANK COAL EASILY GASIFIED

•• CAKING OR SWELLING SHOULD BE LESS CAKING OR SWELLING SHOULD BE LESS

•• MINERAL MATTER AND ASH FUSION TEMP. ARE MINERAL MATTER AND ASH FUSION TEMP. ARE IMP. FACTORSIMP. FACTORS

•• COAL NEED TO BE ADEQUATELY PERMEABLECOAL NEED TO BE ADEQUATELY PERMEABLE

•• FOR COAL HYDROGENATION DESIRABLE ELEMENTS FOR COAL HYDROGENATION DESIRABLE ELEMENTS VITRINITE REFLECTANCE < 0.8%VITRINITE REFLECTANCE < 0.8%VITRINITE + EXINITE > 60%VITRINITE + EXINITE > 60%VM > 35% ; H/C ATOMIC RATIO >0.75%VM > 35% ; H/C ATOMIC RATIO >0.75%

DESIRABLE COAL CHARACTERSDESIRABLE COAL CHARACTERS ((CONTDCONTD.).)

Hasdo-Arand

Vitrinite% Inertinite% Exinite%

31–49 24–47 10–22

C%

79 – 83

H%

4.7–5.0

Mand-Raigarh 43–60 22–43 15–25 78 – 81 5.0– 5.3

Tatapani-Ramkola 8–16 41–51 16–18 - -

Sohagpur 21–53 37–63 16–25 79 – 91 4.9–5.2

Bisrampur 25–30 55–60 10-15 78 – 85 4.2–4.8

Wardha 25–35 50–55 15–20 76 – 81 4.3–5.1

Talcher 33–60 30–55 15–25 79 – 82 4.9–5.3

Godavari

60 – 80

40–60 5–15 78 - 85 -

Ramnad

35–45

5 – 6 10 – 20 - -

4.2–5.4

Mannargudi 80 5 12

GeneralisedGeneralised character of Coal / Lignite seams of some of the coal/lignite fcharacter of Coal / Lignite seams of some of the coal/lignite fieldsields

CoalCoal

LigniteLignite

21-38

-

-

33-40

35-38

29-45

VM%

35-45

35 - 42

0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2

Raniganj

Satpura

Jharia

Bokaro

Sohagpur

Wardha

Saharjuri

Singrauli

Tatapani-Ramkola

Talcher

RANGE OF VARIATION OF VITRINITE REFLECTANCE (Ro%) IN DIFFERENT COALFIELDS

RAJMAHAL-BIRBHUM CFRANIGANJ CFJHARIA, N KARANPURA, S KARANPURA, AURANGA

MAJOR COALFIELDS (Resource > 300m)MAJOR COALFIELDS (Resource > 300m)((COAL SEAMS >3M THICK OF BARAKAR AND COAL SEAMS >3M THICK OF BARAKAR AND RANIGANJ/KAMTHI FMS. )RANIGANJ/KAMTHI FMS. )

TALCHER AND IBMAND RAIGARH , KORBAGODAVARI VALLEY SINGRAULI

Around 29 b. t. of lignite resource >150m (mainly in Around 29 b. t. of lignite resource >150m (mainly in Tamil Tamil NaduNadu))

Huge deposit of Huge deposit of lignitolignito--bituminous coal and lignite of bituminous coal and lignite of CambayCambay basin and basin and SanchorSanchor basin within 700basin within 700--1700m 1700m

INDIAN COAL RESOURCES SUITABLE FOR UCGINDIAN COAL RESOURCES SUITABLE FOR UCG

•• UNMINEABLE PART OF THE SHALLOW LEVEL UNMINEABLE PART OF THE SHALLOW LEVEL RESOURCE RESOURCE

•• SUBSTANTIAL SHARE (36%) OF TOTAL SUBSTANTIAL SHARE (36%) OF TOTAL RESOURCE (253 BT) CONTAINED IN RESOURCE (253 BT) CONTAINED IN DEPTH LEVEL BEYOND 300MDEPTH LEVEL BEYOND 300M

POSSIBLE AREAS FOR SHALLOW LEVEL COAL RESOURCE

POSSIBLE AREAS FOR SHALLOW LEVEL COAL RESOURCE

Eastern part of Hasdo-Arand Coalfiled

Southwestern part of Sohagpur Coalfiled

Central part of Talcher Coalfield

Southcentral part of Singrauli Coalfield

Western part of Rajmahal Coalfield

Shallow level

Anuppur

Shahdol

Shallow level

Quarternary depositsLateriteKamthi FormationBarren MeasuresBarakar FormationKarharbari FormationTalchir FormationMetamorphicsFault

GEOLOGICAL MAP OF TALCHER C F GEOLOGICAL MAP OF TALCHER C F

SCALESCALE

SHALLOW LEVEL

POSSIBLE AREAS FOR DEEPER (>300M) LEVEL COAL RESOURCEPOSSIBLE AREAS FOR DEEPER

(>300M) LEVEL COAL RESOURCE

Eastern part of Raniganj Coalfield

Western part of Ib-River & Talcher Coalfield

Westcentral part of Mand-Raigarh Coalfield

Central part of main basin, Singrauli Coalfield

Eastern part of Birbhum-Rajmahal Coalfield

Eastern part of Pench-Kanhan Coalfield

central part of north Godavari Coalfield

GEOLOGICAL MAP OFRANIGANJ COALFIELD

3.5 0 3.5 7km

86°45' 87°00' 87°15'

23°30'

23°45'

23°30'

23°45' %

%

%

%

%

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

##

o oo oo

o o

25

30

2415

23

12 14

Andal

Mugma

Barakar

Asansol

Raniganj

o

10

o30 o

18 o

10o20

o15

o

27o

40o

30

o10

o6

o

10

10

o o

7

o

11

o30

o

18

o

3

o

15

10

oo

3

85

10

o

10

o

12

o

10

o

9oo

10

15

o

14

o

10

o

15

18

12 14

14

15

10

10

o

14

15

1418

14

27 10

o

15 o

12

o

15

51212

o15

o8

10

7 7

221 o

30

13

oo 17

12

4

60

3

15

4

5

o10

o

5

10

o

10

22

12

o

6

4

20

12

o

12

o o

o

20

10

o4

8

o

8

Calcutta

Adra

Dhanbad Barak

arRiv

er

Damodar River

RN-1 RN-2

RN-1RN-2

RN-3

RN-4

RN-5

RN-6

RN-7

RN-7

RN-6RN-5(s)RN-5(s)RN-4

RN-7

RN-6

RN-7RN-6RN-5

RN-4RN-4

RN-3RN-2

RN-1

RN-7

RN-6RN-5RN-5

RN-4

RN-3

RN-2

RN-1

RN-1

RN-5

RN-5RN-5

RN-4RN-4

RN-6(s)RN-6(s)

RN -7RN-6

RN-5(s)

RN-5( s)

RN-6

RN-5(s)

RN-5

RN-5

RN-4(

s)

RN- 4(

s)

RN-3(s)RN-3

RN-2

RN-5(s)

RN-4(s)RN-4(s)

RN-3

RN-2(s)

RN-2(s)

RN-1(s)RN-1(s)

RN-5

RN-4(s)RN-4(s)

RN-3

RN-2(s )RN-1

RN-5RN-4

RN-3RN-2(s)

RN-2RN-1

RN-1

RN-2

RN-2

RN-1

BR-2

BR-2

BR-2

BR-2

BR-2

BR-5

RN-4

RN-5

BR-1

BR-3

BR-2

BR-4

BR-5BR-6BR-7

BR-5BR-7BR-5

BR-2

BR-2

BR-5BR-6

BR-2

BR-2

BR-2 BR-2

BR-4BR-4

W E S TB

EN G A

LJHARKHAND

WE

ST

BE

N

GA L

JHARKHAND

W E S TB E N G A L

Suri

Jhaj h

a

%Durgapur

B

B'

C'

C

AjoyRiver

RN-5

RN-6

RN-7

RN-7

RN-6

RN-6

RN-1

RN-3

RN-4

(s)RN-5(

s)

RN- 2

(s)

RN-1

Domra

Hijuli

Dihika

Nimcha

Chunch

Bahira

Alipur

Bachra

Baltora khandra

Shampur

Rakhdih

Begunia

Lalganj

Barkola

Searsole

Bhatmura

Tilabani

Hatibari

Lalbazar

Kapistha

Birkulti

Chinakuri

Ardhagram

Mangalpur

Dubchuria

Dalurband

Banspetali

Kalipahari

Satpukhuria

Gopinathpur

Manoharbahal

AlluviumTertiariesSupra-PanchetsPanchetFormationRaniganjFormationBarrenMeasuresBarakarFormationTalchirFormationCrystallineBasementCrystallineBasementunderTertiarycover

LamprophyreCoalseamBasicDykeFault

87°15'86°45' 87°00'

#

#

##

ÜAjayR.

ÜDamodarR.

Deeper level

Intermediate depth level

RRK-3

T.D.1070.80

280.55

701.7 0.54

739.64

5.76769.94 6.01779.39 5.86

822.32 1.302.22

925.31 9.77937.49 6.86

0.400.931046.50

1059.12

666.8

189.75

Cumulative coal thickness (42.27m) and development of thicker seams(9.77m)

Quarternary depositsLateriteKamthi FormationBarren MeasuresBarakar FormationKarharbari FormationTalchir FormationMetamorphicsFault

GEOLOGICAL MAP OF TALCHER C F GEOLOGICAL MAP OF TALCHER C F

SCALESCALE

DEEPER LEVEL

XIX

IXVIII

VI

III

II

0 m

100m

200m

300m

400m

500m

600m

700m

TTN-1

VII

645.00

Coal seams: 9 (regionally persistent )Coal seams: 9 (regionally persistent )ControllControll points: > 40 (spacing <1km points: > 40 (spacing <1km –– 1km apart)1km apart)Depth of overburden: Max. 350mDepth of overburden: Max. 350mInd. Seam thickness: 1m Ind. Seam thickness: 1m -- >80m>80mCum. Coal thickness: 80m Cum. Coal thickness: 80m –– 160m160mQuality: M% Quality: M% -- 4% to 7%, A% 4% to 7%, A% -- 20% 20% -- 40%40%VitriniteVitrinite (55%) (55%) InertiniteInertinite (30%) (30%) ExiniteExinite (15%)(15%)MaceralMaceralRo.(max): 0.45% to 0.61%Ro.(max): 0.45% to 0.61%

Deeper level

Coal seam Zones: SixZone thickness: 1.50m – 54mDepth range: 31.50m – 521.50mGrade: D - G

IBK(A)-3

BELPAHAR BOTTOM

594.15m

PARKHANI

BELPAHAR TOP

RAMPUR

LAJKURA

IB

A

B

Kamthi FormationRaniganj Formation

Barakar FormationTalchir FormationBasement

Barren Measures

F

FF

F

F

F

F

F

F

F

RAIGARHFaultFF

F

F

FF

F

F

F

F

SCALE

F

F

GHARGHODA

5 Km10

F

0

F

JABGA

DHARAMJAIGARH

INDEX

GARE

GEOLOGICAL MAP OF MAND-RAIGARH C FIntermediate to deeper level

565.65 10.00

655.00

526.55 1.35

1.708.701.80

1.90

3.25

319.25

AREA UNDER PROGRESSAREA FOR FUTURE

INVESTIGATION

Intermediate & Deeper level

Coal seams: 7Coal seams: 7-- 88ControllControll points: > points: > -- 30 (spacing >1km apart)30 (spacing >1km apart)Depth of overburden: Raniganj: >150mDepth of overburden: Raniganj: >150m

Barren Measure: 250Barren Measure: 250--300m 300m Ind. Seam thickness: <1m Ind. Seam thickness: <1m –– 18m18mCum. coal thickness: 25m Cum. coal thickness: 25m ––30m30mQuality: M% : 4 Quality: M% : 4 --10% A% : 10.3% 10% A% : 10.3% -- 45%45%

VitriniteVitrinite (45%(45%-- 78%)78%)

ExiniteExinite (7%(7%-- 8%)8%)

InertiniteInertinite (8% (8% -- 45%)45%)

MaceralMaceral

Ro.(max): 0.4% to 0.6%Ro.(max): 0.4% to 0.6%

SINGRAULISINGRAULIBarren Measure

Barakar

Talchir

Anuppur

Shahdol

Intermediate & Deeper level

GEOLOGICAL MAP OF RAJMAHAL GEOLOGICAL MAP OF RAJMAHAL -- BIRBHUM COALFIELDSBIRBHUM COALFIELDS

KhargramFatehpur

Rampurhat

Saldaha

Dumka

Katikund

Gopikandar

Amrapara

Pakur

Barharwa

Hansdiha

KahalgaonBara

Mahagama

Phulberia Simra

Berhait

Rajmahal RS.

SahibganjPirpainti RS.

87°00' 87°10' 87°20' 87°30' 87°40' 87°50' 88°00'

24°10'

24°30'

24°40'

24°50'

25°00'

25°10'

25°20'

24°20'

Alluvium

Lower GondwanasMetamorphics

Rajmahal FormationUpper Gondwanas

LEGEND

87°00' 87°10' 87°20' 87°30' 87°40' 87°50' 88°00'

24°10'

24°20'

24°30'

24°40'

24°50'

25°00'

25°10'

25°20'10 0 10 km

URMA-PAHARITOLA

CHAUDHAR-GARIAPANI

SAHARPUR-JAMARPANI

KULKULIDANGAL-SITASAL

RAMPUR-MALLARPUR

BORTALA-MATHURAPUR

Ongoing blocksCompleted blocksProposed block

GEOLOGICAL MAP OF RAJMAHAL AND BIRBHUM COALFIELDSJHARKHAND AND WEST BENGAL

RJKS-3A

93.60109.90

7.48350.72372.97

322.03

1.16

3.39

9.64

320.17

10.76436.64

517.00481.43 2.90

6.00

541.55

608.50

539.451.00

I

II

III

606.50

Dighi-Dharampur area(Northern Extn. Hura

Brahmani-Birbhum basin –southeastern part

Total 10-15 seams7 – 8 coal seams of 6 – 15m thick

Total > 15 seams2 – 4 coal seams of 5 – 7m thick

Resource (300-600m)7B.T. (Approx)

Prospective areaProspective area

K O LL ID AM R .

B A Y OF B EN GA L

C A U V E R Y R

Ponnaiya r R .

V e lla r R .

N EY VE L I

C U D D A L O R E

M isa l R am an ath apu ram

R am es w a ra m

Siv aga nga

%

%

%

%

%

%

%

M AN N A R GU D I

%TH A N J AV U R

VA I G A I R I V E R

NE Y V EL I LIG

N ITE FIE LD

MANNARG UD I LIG

NITE FIE LD

T A R

G E

T A

R E A

G E O L O G IC AL M AP OF P AR T O F T AM IL N AD U

L IGN ITE OCCU RRE NCE SOF

T A M I L N A D U

35 0 0 35 0 km

%

%%

%

%

%

%

%%

%

%

%

%

%%

%

%

%

%

%

%

%

%

%

%%

m m m m m m m mm

m

m

m

m

m

m

mmmmmmm

m

m

m

m

m

m

m

m

%

%

%

Sr in ag ar

Si m la

Ch and i ga r h

New De l hi

Ja ip u rLuck no w

P at n a

Gan gt o k It a nag a r

Dis p urKo hi m a

Im p ha l

S h i ll o ng

A iz a w lAg art a l a

K ol ka t a

B hub a ne sw ar

Che n n a i

P on di c he rr y

T i ru van an ta pu r am

Ba ng a l or e

Hy der aba d

M um ba i

Pa n a ji

Gan d hi n aga r Bho pa l

68 ° 7 6° 8 4° 92°

3 6°

2 8°

2 0°

1 2°

8 °

88 °8 0 °72°

°

2 °

0 °

8 °

6 °

R a nchi

D e hr a dun

R a i p ur

8 °

8 °

10 °

1 0°

12 °

1 2°

78 °

78°

80 °

80°

M ANN ARG UDI

Ram es wara m

Ra man at h apu r am

%

%

%

%CHE NNA I

T A

A M

I L

N

A D

U

Al lu v iu m

T er tiary s edim ent s

U pp er G on dw a nas &U nd if fere ntiate d C reta ce ou sM et am orph ic bas em en t

T AR GE T AR EA

6 0 6 12 k m

K E Y M AP

L E G E N D

Area s : L ig ni te oc c uren c es pro ve d

TAM

IL N

AD

ULIGNITE

OCCURENCESOF

TAMIL NADU

Proved areasTarget Areas

Geological map of East Geological map of East Coast Coast lignitefiledlignitefiled, ,

Tamil Tamil NaduNadu

RAMNAD SUBBASIN

RAMNAD SUBBASIN

MannargudiMannargudi

RamnadRamnad

Lignite seams: 4Lignite seams: 4--55ControllControll points: > points: > -- 20 (spacing >1km apart)20 (spacing >1km apart)Depth of overburden: 250 Depth of overburden: 250 -- 350m350mInd. Seam thickness: <1m Ind. Seam thickness: <1m –– 28m28mCum. lignite thickness: 15m Cum. lignite thickness: 15m –– 40m40mQuality: M% : 30% Quality: M% : 30% -- 40%, A% : 7% 40%, A% : 7% -- 17%17%

MaceralMaceral

MANNARGUDIMANNARGUDI

Ro.(max): 0.3% to 0.5%Ro.(max): 0.3% to 0.5%

HuminiteHuminite (52%(52%--86)86)

ExiniteExinite (0.9%(0.9%--5.6%)5.6%)

InertiniteInertinite (1.2%(1.2%--8.7%)8.7%)

80m

310m

457m

8m5m7m20m

Quaternary

Tittacheri

Neyveli

Lignite seams: 1 Lignite seams: 1 -- 44ControllControll points: > points: > -- 17 (spacing >1km apart)17 (spacing >1km apart)Depth of overburden: 300 Depth of overburden: 300 -- 350m350mInd. Seam thickness: <1m Ind. Seam thickness: <1m –– 12m12mCum. lignite thickness: 6m Cum. lignite thickness: 6m –– 18m18mQuality: M% : 35% Quality: M% : 35% -- 45%, A% : 5% 45%, A% : 5% -- 18%18%

HuminiteHuminite (48%(48%--80)80)

ExiniteExinite (0.9%(0.9%--5.6%)5.6%)

InertiniteInertinite (3% (3% -- 9%)9%)

MaceralMaceral

Ro.(max): 0.3% to 0.5%Ro.(max): 0.3% to 0.5%

RAMNADRAMNAD

105m

345m

607m

9.6m6.8m1.6m

Quaternary

Cuddalore/Tittacheri

Neyveli

Thank youThank you

Thank youThank you

FORMATIONFORMATION

IntrusivesRaniganjBarren MeasuresBarakarTalchirBasement

THICKNESSTHICKNESS

725m850m1130m225m

--

COAL SEAMSCOAL SEAMSNo ThicknessNo Thickness

22 (0.1m-4.7m)

46 (0.3m-33.0m)

JHARIACOALFIELD

COAL RESOURCE

0-600m -- 14.2 bt600m-1200m -- 5.2 bt0 – 1200m – 19.4 bt

Salient features

Deeper level

EAST BOKAROCOALFIELD

FORMATIONFORMATION

MahadevaPanchetRaniganjBarren MeasuresBarakarTalchirBasement

THICKNESSTHICKNESS

500m600m600m500m1000m80m

--

COAL SEAMSCOAL SEAMSNo ThicknessNo Thickness

7 (0.4m-3.0m)

26 (0.4m-63.9m)

COAL RESOURCE

0-300m -- 3.2 bt300m-600m -- 1.5 bt600m-1200m -- 2.3 bt0 – 1200m -- 7.0 bt

Salient features

Deeper level

FORMATIONFORMATION

MahadevaPanchetRaniganjBarren MeasuresBarakarKarharbariTalchirBasement

THICKNESSTHICKNESS

165m225m400m385m500m200m180m

--

COAL SEAMSCOAL SEAMSNo ThicknessNo Thickness

thin bands

5 (0.5m-35.2m)1 (0.5m-10.5m)

COAL RESOURCE

0-300m -- 10.3 bt300m-600m -- 4.3 bt0 – 1200m – 14.6 bt

Salient Salient featuresfeatures

NORTHKARANPURACOALFIELD

Deeper level

SOUTH KARANPURA COALFIELD

FORMATIONFORMATION

RaniganjBarren MeasuresBarakarTalchirBasement

THICKNESSTHICKNESS

360m385m1050m180m

--

COAL SEAMSCOAL SEAMSNo ThicknessNo Thickness7 (0.8m-3.3m)

42 (0.5m-54.2m)

COAL RESOURCE

0-300m -- 3.3 bt300m-600m -- 1.8 bt600m-1200m -- 0.9 bt

0 – 1200m – 6.0 bt

Salient features

Deeper level

1.2 1.8 2 2.5

4.1 4.1 4.3 4.55.1

6.9

11.3

Mand-Raigarh

S.Karanpura

RajmahalWardha

Singrauli

Godavari

RaniganjKorba

Ib-River

N.Karanpura

Talcher

(in billion tonne)

Distribution of substantial resource under ‘Proved’ category within 0-300m depth levelDistribution of substantial resource under ‘Proved’ category within 0-300m depth level

Resource >1 b.t.Resource >1 Resource >1 b.tb.t..

Distribution of substantial resource under ‘Indicated’ category within 0-300m depth levelDistribution of substantial resource under ‘Indicated’ category within 0-300m depth level

1.2 1.2 1.5 1.72.2 2.2 2.4

6.9 7.4

10.6

13.1

Rani

ganj

N.Ka

ranp

ura

Aura

nga

Goda

vari

Hasd

o

Sing

raul

i

Korb

a

Ib-R

iver

Rajm

ahal

Mand

-Raig

arh

Talch

er

(in billion tonne)

Resource >1 b.t.Resource >1 Resource >1 b.tb.t..

0

0.5

1

1.5

2

2.5

3

East-c

oast

Bikaner

Barmer

Nagau

r

Kachch

Bhabnag

ar

Bharu

ch

Surat

Rajasthan GujaratTamilNadu

IndicatedInferred

Status of shallow level (<150m) resource needs to be upgraded in different lignite basins

0 10 20 30 40 50 60 70 80 90 100

RaniganjSatpura

JhariaBokaro

SohagpurWardha

SaharjuriSingrauli

Tatapani-RamkolaTalcher

0 2 4 6 8 10 12 14 16 18 20 22 24 26RANIGANJSATPURA

JHARIABOKARO

SOHAGPURWARDHA

SAHARJURISINGRAULI

RAMKOLA-TATAPANITALCHER

EXINITE

0 10 20 30 40 50 60 70 80 90 100

RaniganjSatpura

JhariaBokaro

SohagpurWardha

SaharjuriSingrauli

Tatapani-RamkolaTalcher

0 5 10 15 20 25 30 35 40 45 50

RaniganjSatpura

JhariaBokaro

SohagpurWardha

SaharjuriSingrauli

Tatapani-RamkolaTalcher

VITRINITE%

INERTINITE SHALE+MINERAL MATTER

PETROGRAPHICAL CHARACTER OF GONDWANA COAL IN DIFFERENT COALFIELDS

STUDIES CARRIED OUT BY GSI